For the average do-it-yourselfer, building a retaining wall is easiest when using masonry blocks that will be stacked no taller than three feet, with no mortar binding the stones or concrete members.

Also What can I use instead of a retaining wall?

  • Reinforced Soil Slopes.
  • Natural Stone Walls.
  • Wooden Timbers.
  • Gabion Walls.
  • Soil Bioengineered Walls.

Subsequently, What is the cheapest way to build a retaining wall?
What is the cheapest retaining wall material?

  1. Treated pine and is the least expensive material. …
  2. Hardwood is more expensive than treated pine. …
  3. Railway sleepers are another – slightly more expensive – option and are built to withstand ground and water contact.
  4. Concrete sleepers are more expensive.

What is the strongest type of retaining wall? Concrete and Masonry Retaining Walls

Poured concrete is the strongest and most durable choice for retaining walls. It may also be carved and formed to look like mortared stone depending on your taste.

Does a 2 foot retaining wall need drainage?

These walls need a drainage system regardless of the wall height. If there are poor draining soils such as clay behind the wall, there needs to be drainage incorporated the wall system. Clay when wet is very weak, so it is essential to provide a way for water to escape from behind the wall.

How do you landscape a steep slope without retaining walls?


Landscaping on Slopes

  1. Stabilize With Plants & Trees. A smart way to stabilize the soil on a hill is by planting shrubs, trees, and flowers. …
  2. Install Stairs or a Path. If your slope is not too steep, installing a stone path or stairs in your landscape can be a good option. …
  3. Build Up Tiers of Walls. …
  4. Build a Deck.

Do I need a retaining wall?

In New South Wales, a building permit is required to build a retaining wall that is: Greater than 1 metre in height or. Built on or near an adjoining property.

Can you use concrete gravel boards as a retaining wall?

You can use gravel boards for a retaining wall, but it is important to consider the advantages and disadvantages of doing so. … But if you don’t use a strong foundation, then the retaining wall will be very unstable, and it may collapse within a few years.

Can I use concrete gravel boards as a retaining wall?

You can use gravel boards for a retaining wall, but it is important to consider the advantages and disadvantages of doing so. … But if you don’t use a strong foundation, then the retaining wall will be very unstable, and it may collapse within a few years.

Does a retaining wall add value to your home?

With a broader range of appeal, investing in landscaping can add up to 15 percent to the value of a home, and an average return of 100 to 200 percent. … Not only does a retaining wall add structural integrity to a yard that is sloped, but the right retaining wall can add significant aesthetic value to the property.

Can I use railway sleepers as a retaining wall?

Railway Sleepers are an ideal material for creating retaining walls and garden dividers, providing a quick and simple alternative to rendered concrete or brick walls, and popular in both traditional and modern garden landscaping for their architectural and long-lasting qualities.

What retaining wall lasts the longest?

SRW’s are often the choice of Landscape and Hardscape contractors. Strength – One of the strongest, longest lasting types of retaining walls on the market.

Are curved retaining walls stronger?

Curved walls, or walls with multiple corners, are vastly stronger than long straight walls. This is simple physics. Try standing a business card on its edge; it will immediately fall. Simply curving or folding it allows it to stand on its own.

How do you make a strong retaining wall?


Here are three key principles in building any solid retaining wall:

  1. Bury the bottom course, or courses, of the retaining wall one tenth the height of the wall to prevent the soil behind from pushing the bottom out.
  2. Step back the blocks, rocks or timbers to get gravity working in your favor.

Do all retaining walls need weep holes?

Although there are exceptions, most retaining walls require gravel backfill, soil compaction, pipe or toe drains, and weep holes. Together, these four features will provide adequate drainage for most designs. Only a few types of walls will not require all of them.

Does a 4 foot retaining wall need drainage?

Any reinforced wall or walls over 4 ft. (1.2 m) in height or with slopes or other surcharges above the wall will need a toe drain. In all cases wall rock is located within the cores of the block and a minimum of 12 in. (300 mm) behind the block.

How deep should a base be for a retaining wall?

The general rule of thumb is to bury about one-eighth of the height of the wall. For example, if your wall will be three feet (36 inches) tall, the first course of blocks should start five inches below soil level. The gravel base should start three inches below this.

How can I landscape my hillside cheap?


4 Cost-Effective Landscape Design Ideas for a Slope

  1. Install Groundcover Plants.
  2. Build a Tiered Retaining Wall.
  3. Create a Natural Rock Garden.
  4. Build Stairs or a Pathway.
  5. Tackle Your Slope in Sections.

What slope requires a retaining wall?

The wall should lean into the hill at a minimum of 1 inch for every 12 inches of height in order to maintain a safe load on the wall.

How do you landscape a steep slope?


Here are 10 solid ideas for landscaping a sloping, or even a downright hilly, backyard.

  1. Break Out in Tiers. 1/11. …
  2. Build Some Stairs. 2/11. …
  3. Make a Natural Staircase. 3/11. …
  4. Design a Waterfall. 4/11. …
  5. Lay a Winding Path. 5/11. …
  6. Erect a Retaining Wall. 6/11. …
  7. Cultivate a Rock Garden. 7/11. …
  8. Devise a Destination Fire Pit. 8/11.

At what height do you need a retaining wall?

On average, most retaining walls are between 3 and 4 feet high. This is optimal because it doesn’t require any anchors, or expensive engineering methods, though in some cases the wall must be higher. Variables that affect the height of your retaining wall include: Extreme heights.

What is the point of a retaining wall?

The purpose of all retaining walls is to hold soil behind them. However, the specific needs will vary depending on the project. Walls can range from small landscape stone walls to surround a garden to enormous soil-retaining projects along a highway.

Who should build a retaining wall?

Retaining wall requirements by state

structural integrity. Speaking with a qualified engineer is recommended. In New South Wales, neighbours would normally share the cost of a retaining wall on a boundary, unless one was responsible for damage.